> codebench_TOOL: HomeLOCAL-ONLY⌘K Switch
- ·3 min readUUID v4 vs v7: Which Should You Use for Database Keys?UUID v4 is random; UUID v7 is time-ordered. Learn how each is built, why v4 fragments B-tree indexes, and when v7 is the better primary key.#uuid#database#identifiers
- ·3 min readBcrypt Cost Factor Explained: Choosing the Right Work FactorThe bcrypt cost factor controls how slow each hash is. Learn how it scales, what a bcrypt hash string contains, and how to pick a value for your servers.#bcrypt#passwords#security#hashing
- ·4 min readWhat Is a JWT? Structure, Signatures, and Common MistakesA JSON Web Token is three Base64URL segments joined by dots. Learn what each part holds, how the signature works, and why the payload is readable by anyone.#jwt#authentication#security
- ·3 min readBase64 Is Not Encryption: How It Works and When to Use ItBase64 turns binary data into printable text, expanding it by a third. Learn how the encoding works, why it offers zero secrecy, and when it is the right choice.#base64#encoding#fundamentals
> codebench $Ctrl+Enter Run